WO2015005542A1 - Procédé et dispositif permettant de confirmer une localisation dans un réseau de communication en champ proche - Google Patents

Procédé et dispositif permettant de confirmer une localisation dans un réseau de communication en champ proche Download PDF

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Publication number
WO2015005542A1
WO2015005542A1 PCT/KR2013/010790 KR2013010790W WO2015005542A1 WO 2015005542 A1 WO2015005542 A1 WO 2015005542A1 KR 2013010790 W KR2013010790 W KR 2013010790W WO 2015005542 A1 WO2015005542 A1 WO 2015005542A1
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WO
WIPO (PCT)
Prior art keywords
signal strength
access device
reference value
dbm
wireless access
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PCT/KR2013/010790
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English (en)
Korean (ko)
Inventor
강경흠
Original Assignee
(주)멀린
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Publication of WO2015005542A1 publication Critical patent/WO2015005542A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0295—Proximity-based methods, e.g. position inferred from reception of particular signals
    • G01S5/02955—Proximity-based methods, e.g. position inferred from reception of particular signals by computing a weighted average of the positions of the signal transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0295—Proximity-based methods, e.g. position inferred from reception of particular signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/01—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations specially adapted for specific applications
    • G01S2205/02—Indoor

Definitions

  • the present invention relates to a positioning method and apparatus in a local area network.
  • the user's real-time location information is effectively measured using a GPS (Global Positioning System) using satellites in the outdoors, but it is not available in indoor spaces such as inside the building, and in the indoor spaces, such as RFID (Radio Frequency Identification), WiFi or Locations are being measured using local area networks, such as Bluetooth.
  • GPS Global Positioning System
  • RFID Radio Frequency Identification
  • WiFi Wireless Fidelity
  • Locations are being measured using local area networks, such as Bluetooth.
  • WiFi has a three-point method of obtaining location information using three WiFi and a cell method of dividing the interior of the building into cells of a certain size and creating a location information database by measuring WiFi values for each cell. For example, when 2.4GHz or 5GHz) people or obstacles appear, the WiFi signal strength changes from time to time to find the exact location.
  • Bluetooth also uses the 2.40GHz to 2.48GHz frequency to find a location has the same problem as WiFi.
  • the technical problem to be achieved by the present invention is a method and apparatus for identifying a location in a local area network that uses a local area network when a user having a specific terminal executes a specific application in an indoor space such as a building. It is about.
  • the method for identifying a location in a terminal including a positioning module to identify a location in a local area wireless network, searching for a local area wireless signal from at least one or more wireless access devices MAC address, Acquiring a SSID (Service Set Identifier), signal strength; if the signal strength of the radio access device is greater than or equal to a first reference value and the MAC address of the radio access device is already registered, the radio access device is disposed.
  • SSID Service Set Identifier
  • a method for locating a location in a local area network by a terminal including a location module comprising: searching for a local area wireless signal to search for a MAC address from at least one wireless access device, Acquiring an SSID, a signal strength, and if the signal strength of the radio access device is greater than or equal to a first reference value and the MAC address of the radio access device is already registered, a virtual area in which the radio access device is arranged from the SSID; Checking an ID, checking a building / floor using the virtual area ID, checking a 1st signal strength radio access device and a 2nd signal strength radio access device among the radio access devices arranged in the building / floor If the first signal strength is greater than or equal to a second reference value, the virtual area in which the first signal strength wireless access device is arranged is located above the terminal. And a step of confirmation by.
  • the localization apparatus in the local area network retrieves a local area wireless signal to obtain a MAC address, SSID, signal strength from at least one radio access device, the signal strength of the radio access device is the first If the reference value is higher than the MAC address of the wireless access device, the virtual area ID where the wireless access device is located is checked, the building / floor is identified using the virtual area ID, and the building / floor Among the radio access devices disposed in the apparatus, the 1st signal strength radio access device and the 2nd signal strength radio access device are identified, and if the 1st signal strength is greater than or equal to a second reference value, the 1st signal strength radio access device is arranged.
  • the positioning device obtains a MAC address, SSID, signal strength from at least one radio access device by searching for a communication module and a near field radio signal, and the signal strength of the radio access device. Is greater than or equal to the first reference value and the MAC address of the radio access device is already registered, confirming the virtual area ID where the radio access device is arranged from the SSID, and confirming the building / floor using the virtual area ID. The first signal strength radio access device and the second signal strength radio access device among the radio access devices arranged in the building / floor are checked. When the first signal strength is greater than or equal to a second reference value, the first signal strength is used. It includes a positioning module for identifying the virtual area in which the radio access device is disposed as the position of the terminal.
  • the present invention can continuously check the location of a specific terminal even when the external server is down.
  • the present invention uses a local area network such as WiFi, Bluetooth for the purpose of positioning, and all the algorithms related to the location of the terminal uses the resources of the terminal, so the investment cost is very low when constructing a positioning system in a building or the like. It takes
  • the present invention it is possible to perform the location check in more detail through the WiFi installation location adjustment.
  • FIG. 1 is a block diagram showing a terminal as a positioning device in a local area network according to an embodiment of the present invention.
  • FIG. 2 is a view for explaining a method for positioning in a local area network according to a first embodiment of the present invention.
  • FIG. 3 is a view for explaining a location confirmation method in a local area network according to a second embodiment of the present invention.
  • FIG. 4 is a view for explaining a first embodiment of a method for locating a terminal in a local area network of the present invention.
  • FIG. 5 is a view for explaining a second embodiment of a method for locating a terminal in a local area network of the present invention.
  • FIG. 6 is a view for explaining a third embodiment of a method for locating a terminal in a local area network of the present invention.
  • wireless access device 410, 420, 430, 440, 450, 460, 470, 480, 490: wireless access device
  • virtual area refers to an area obtained by virtually dividing an arbitrary building or floor
  • virtual area ID refers to an identifier (ID) assigned to identify each virtual area
  • wireless access device refers to a device installed for a local area network.
  • various APs for a local area network such as a WiFi AP and a Bluetooth AP, may be used.
  • FIG. 1 is a block diagram showing a terminal as a positioning device in a local area network according to an embodiment of the present invention.
  • the terminal 1 which is a positioning device in a local area network, includes a computer, a laptop computer, a handheld computer, a tablet computer, a cellular phone, a media player, a PDA, and the like, and two such items. It may be any portable electronic device including but not limited to the above combination. It should be appreciated that the terminal 1 is only one example of a portable electronic device, and that the terminal 1 may have a configuration of more or less components or different components than shown. The various components shown in FIG. 1 may be implemented in hardware, software or a combination of both hardware and software, including one or more signal processing and / or application specific integrated circuits.
  • the terminal 1 which is a positioning device in a local area network, includes a memory 10, a memory controller 21, one or more CPUs 23, an interface 25, a display device 30,
  • the input device 40, the communication circuit 50, an external port 60, and an audio circuit 70 are included. These components communicate via one or more communication buses or signal lines.
  • the memory 10 is a portion for storing arbitrary data, software, and the like, and may include fast random access memory, and may also include one or more magnetic disk storage devices, nonvolatile memory such as a flash memory device, or other nonvolatile semiconductor memory. It may include a device.
  • the memory 10 may be a storage device located away from one or more central processing units, such as communication circuitry 50 or an external port 60 and the Internet, an intranet, a local area network (LAN), a WLAN ( Network attached storage may be further accessed via a communication network, such as a wide LAN, a storage area network, or the like, or a suitable combination thereof. Access to the memory 10 by other components of the terminal 1 such as the central processing unit 23 and the interface 25 can be controlled by the memory control circuit 21.
  • the software components stored in the memory 10 may include an operating system 11, a communication module 13 (or an instruction set), a positioning module 15 (or an instruction set) and at least one application (instruction set) 17, Database 19 is included.
  • the memory 10 may further store data such as various modules, software, and contents.
  • Operating system 11 e.g., a built-in operating system such as Darwin, RTXC, LINUX, UNIX, OS X, WINDOWS or VxWorks, Android OS, iOS, Blackberry OS, Windows Mobile, Symbian, or Tigen
  • control and manage e.g., memory management, memory control, power management, etc.
  • the communication module 13 also includes various software components for facilitating communication with other devices through one or more external ports 60 and for processing data received by the communication circuit 50 and the external port 60.
  • the external port 60 e.g., USB, FIREWIRE, etc.
  • the external port 60 is used for direct connection to another device or indirect connection via a network (e.g., the Internet, wireless LAN, cellular telephone network, etc.).
  • the communication module 13 may enable receiving data such as a MAC address, a service set identifier (SSID), and a signal strength from the external server through the communication circuit 50.
  • data such as a MAC address, a service set identifier (SSID), and a signal strength from the external server through the communication circuit 50.
  • SSID service set identifier
  • the positioning module 15 is a module that allows the user of the terminal 1 in which the positioning module 15 is embedded to check the position of the terminal 1 in the local area network.
  • the positioning module 15 may search for a short range wireless signal to obtain a MAC address, SSID, and signal strength from at least one wireless access device, and the signal strength of the wireless access device is greater than or equal to a first reference value, and the wireless connection may be performed. If the MAC address of the device is already registered, check the virtual area ID where the wireless access device is located using the information stored in the database, check the building / floor using the virtual area ID, and check the wireless Check the 1st signal strength radio access device and 2nd signal strength radio access device among the access devices. If the 1st signal strength is greater than or equal to the 2nd reference value, the virtual area where the 1st signal strength radio access device is arranged is located as the location of the terminal. You can check it.
  • the positioning module 15 retrieves a short range wireless signal to obtain a MAC address, SSID, and signal strength from at least one wireless access device, and the signal strength of the wireless access device is greater than or equal to a first reference value. If the MAC address is already registered, check the virtual area ID where the wireless access device is located from the SSID, check the building / floor using the virtual area ID, and place the 1st signal among the wireless access devices arranged in the building / floor. The strength wireless access device and the second signal strength wireless access device may be checked, and if the first signal strength is greater than or equal to the second reference value, the virtual area where the first signal strength wireless access device is disposed may be identified as the position of the terminal.
  • the SSID includes the virtual area ID of each radio access device.
  • the positioning module 15 checks whether or not the difference between the second signal strength and the first signal strength is greater than or equal to the third reference value. If the difference in the above signal strength is greater than or equal to the third reference value, the virtual area between the 1st signal strength radio access device and the 2nd signal strength radio access device is identified as the position of the terminal, and the difference between the 2nd signal strength and the 1st signal strength If is less than the third reference value, the external virtual area of the first signal strength radio access device opposite to the second signal strength radio access device may be identified as the position of the terminal.
  • the first reference value is a value between -90 dBm and -70 dBm
  • the second reference value is a value between -70 dBm and -50 dBm
  • the third reference value is between -15 dBm and -5 dBm.
  • the designer can change it according to various environments such as structure and layer thickness.
  • the first reference value is -80 dBm
  • the second reference value is -60 dBm
  • the third reference value is -10 dBm.
  • the present invention can adjust the signal strength of the radio access device, each reference value can be optimally changed according to the changed signal strength of the radio access device.
  • At least one application 17 may comprise a browser, an address book, a contact list, an email, an instant message, word processing, keyboard emulation, widgets, encoding, digital rights management,
  • the terminal 1 may include voice recognition, voice replication, location determination functions (location information as provided by GPS), a music player (to play recorded music stored in one or more files, such as MP3 or AAC files), and the like. ) Can contain any and all applications installed.
  • the database 19 may include information about the wireless access device and location information.
  • the database 19 may include the virtual area ID of the virtual area where the wireless access device is stored according to the MAC address of each wireless access device and the MAC address of the wireless access device.
  • the data stored by the database 19 may be information received from an external server.
  • the memory controller 21 is a part for controlling access to the memory 10 by other components of the terminal 1 such as the central processing unit 23 and the interface 25.
  • One or more CPUs 23 execute various instruction sets stored in various software programs and / or memories 10 to perform various functions for the terminal 1 and to process data.
  • the interface 25 connects the input / output peripheral of the terminal 1 with the CPU 23 and the memory 10.
  • the interface 25, the CPU 23, and the memory controller 21 may be implemented on one single chip or may be implemented on separate chips.
  • the display device 30 provides an interface between the user and the terminal 1. That is, the display device 30 displays a visual output to the user, so that the user can view data, content, and the like through the display device 30.
  • the visual output may include animations, images, text, graphics, video, and combinations thereof. Some or all of the visual output may correspond to user interface objects.
  • the user may check the location information (for example, the virtual area ID) checked by the positioning module 15 through the display device 30 or transmit the information to the server through a communication circuit, thereby enabling various applications.
  • the input device 40 provides an interface between the user and the terminal 1. That is, the input device 40 may input a command such as an input signal to the terminal 1, and when the user inputs an input signal through the input device 40, the terminal 1 may be of various kinds. The user input signal is detected and the user's command is executed by the control of the CPU 23.
  • a user may execute an application for operating the positioning module 15 through the input device 40.
  • the display device 30 and the input device 40 may be integrated or separated.
  • the terminal 1 includes the touch screen
  • the user executes the positioning module 15 through the touch screen, and when the user gives an input signal to the terminal 1 by touching the touch screen, the terminal 1 is the user.
  • the terminal 1 By detecting a variety of input signals of the user can perform a command.
  • the communication circuit 50 transmits and receives a signal such as an electromagnetic wave.
  • the communication circuit 50 converts an electric signal into an electromagnetic wave and communicates with a communication network and other communication devices through the electromagnetic wave.
  • the communication circuit 50 includes, for example, an antenna system, an RF transceiver, one or more amplifiers, tuners, one or more oscillators, digital signal processors, CODEC chipsets, Subscriber Identity Module (SIM) cards, memory, and the like.
  • the present invention is not limited thereto, and may include well-known circuits for performing such a function.
  • the communication circuit 50 may comprise the Internet, called the World Wide Web (WWW), intranets and networks and / or wireless networks such as cellular telephone networks, wireless LANs and / or metropolitan area networks (MAN), and wireless communications. Can communicate with other devices.
  • Wireless communication includes Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Bluetooth (Bluetooth), Wireless Fidelity (Wi-Fi) (e.g., IEEE802.11a, IEEE802.11b, IEEE802.11g and / or IEEE802.11n), Voice over Internet Protocol (VoIP), Wi-MAX, Email, Instant Messaging
  • GSM Global System for Mobile Communication
  • EDGE Enhanced Data GSM Environment
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • Bluetooth Bluetooth
  • Wi-Fi Wireless Fidelity
  • the audio circuit 70 receives data from the interface 25, converts the received data into an electrical signal, and transmits the electrical signal to the speaker.
  • the speaker converts the received electrical signal into sound waves that humans can hear.
  • the audio circuit 70 converts the electrical signal into audio data and transmits it to the interface 25 for processing. Audio data may be retrieved or transmitted from the memory 10 and / or the communication circuit 50 by the interface 25.
  • the terminal 1 may further include a microphone (not shown) connected to the audio circuit 70.
  • FIG. 2 is a view for explaining a method for positioning in a local area network according to a first embodiment of the present invention.
  • the terminal 1 acquires a MAC address, SSID, and signal strength from at least one wireless access device by searching for a short range wireless signal (S201).
  • the short range wireless signal may be either a WiFi signal or a Bluetooth signal.
  • the terminal 1 checks whether the signal strength of the radio access apparatus is greater than or equal to the first reference value (S202).
  • the first reference value may be a value between -90 dBm and -70 dBm, which can be changed by the designer according to various environments.
  • the first reference value may be -80 dBm.
  • the terminal 1 checks whether the MAC address of the radio access apparatus is registered in advance (S203).
  • the terminal 1 recognizes the radio access device as another radio access device and ignores it (S204).
  • the terminal 1 checks the virtual area ID where the radio access device is arranged from the database 19 (S205), and if the MAC address of the radio access device is not already registered.
  • the wireless access device is recognized as another wireless access device and ignored (S204).
  • the terminal 1 checks the building / floor using the virtual area ID (S206). For example, the terminal 1 checks a virtual area ID among a plurality of wireless access devices, identifies a wireless access device most located on the same floor among wireless access devices having a signal strength of a specific reference value or more, and then checks the floor. It can be identified by the floor where (1) is located. In this case, when the same number of radio access devices are identified in two layers, the floor including the radio access device having the strongest signal strength may be identified as the floor where the terminal 1 is located.
  • the specific reference value can be a value between -75dBm and -55dBm, which can be changed by the designer according to various environments. For example, a specific reference value can be -65dBm.
  • the terminal 1 checks the 1st signal strength radio access device and the 2nd signal strength radio access device among the plurality of radio access devices arranged in the identified building / floor (S207).
  • the terminal 1 checks whether the first signal strength is greater than or equal to the second reference value (S208).
  • the second reference value can be a value between -70 dBm and -50 dBm, which can be changed by the designer according to various environments.
  • the second reference value may be -60 dBm.
  • the terminal 1 checks the virtual area ID of the first signal strength radio access device and moves the virtual area where the first signal strength radio access device is located to the position of the terminal 1. Check (S209).
  • the terminal 1 checks whether the difference between the second signal strength and the first signal strength is greater than or equal to the third reference value (S210).
  • the third reference value may be a value between -15 dBm and -5 dBm, which can be changed by the designer according to various environments.
  • the third reference value may be -10 dBm.
  • the terminal 1 moves the virtual area between the 1st signal strength radio access device and the 2nd signal strength radio access device to the position of the terminal 1.
  • the terminal 1 When the difference between the 2nd signal strength and the 1st signal strength is less than the third reference value, the terminal 1 is opposite to the virtual area where the 2nd signal strength radio access device is located, and the terminal 1 receives the external virtual area of the 1st signal strength radio access device. Check at the position of (1) (S212).
  • FIG. 3 is a view for explaining a location confirmation method in a local area network according to a second embodiment of the present invention.
  • the second embodiment of FIG. 3 differs from the first embodiment of FIG. 2 in that the terminal 1 checks the virtual area ID where the wireless access device is arranged from the SSID including the virtual area ID.
  • the terminal 1 acquires a MAC address, an SSID, and a signal strength from at least one wireless access device by searching for a short range wireless signal (S301).
  • the short range wireless signal may be either a WiFi signal or a Bluetooth signal.
  • the terminal 1 checks whether the signal strength of the radio access apparatus is greater than or equal to the first reference value (S302).
  • the first reference value may be a value between -90 dBm and -70 dBm, which can be changed by the designer according to various environments.
  • the first reference value may be -80 dBm.
  • the terminal 1 checks whether the MAC address of the radio access apparatus is registered in advance (S303).
  • the terminal 1 recognizes the radio access device as another radio access device and ignores it (S304).
  • the terminal 1 checks the virtual area ID where the radio access device is arranged from the SSID (S305). If the MAC address of the radio access device is not registered, the radio The connection device is recognized as another wireless access device and ignored (S304).
  • the SSID includes the virtual area ID of each radio access device.
  • the terminal 1 checks the building / floor using the virtual area ID (S306). For example, the terminal 1 checks a virtual area ID among a plurality of wireless access devices, identifies a wireless access device most located on the same floor among wireless access devices having a signal strength of a specific reference value or more, and then checks the floor. It can be identified by the floor where (1) is located. In this case, when the same number of radio access devices are identified in two layers, the floor including the radio access device having the strongest signal strength may be identified as the floor where the terminal 1 is located.
  • the specific reference value can be a value between -75dBm and -55dBm, which can be changed by the designer according to various environments. For example, a specific reference value can be -65dBm.
  • the terminal 1 checks the 1st signal strength radio access device and the 2nd signal strength radio access device among the plurality of radio access devices arranged in the identified building / floor (S307).
  • the terminal 1 checks whether the first signal strength is greater than or equal to the second reference value (S308).
  • the second reference value can be a value between -70 dBm and -50 dBm, which can be changed by the designer according to various environments.
  • the second reference value may be -60 dBm.
  • the terminal 1 checks the virtual area ID of the first signal strength radio access device and moves the virtual area where the first signal strength radio access device is located to the position of the terminal 1. Check (S309).
  • the terminal 1 checks whether the difference between the second signal strength and the first signal strength is greater than or equal to the third reference value (S310).
  • the third reference value may be a value between -15 dBm and -5 dBm, which can be changed by the designer according to various environments.
  • the third reference value may be -10 dBm.
  • the terminal 1 moves the virtual area between the 1st signal strength radio access device and the 2nd signal strength radio access device to the position of the terminal 1.
  • the terminal 1 When the difference between the 2nd signal strength and the 1st signal strength is less than the third reference value, the terminal 1 is opposite to the virtual area where the 2nd signal strength radio access device is located, and the terminal 1 receives the external virtual area of the 1st signal strength radio access device. Check at the position of (1) (S312).
  • 4 to 6 are divided into 30 virtual areas in the same layer 400, and virtual area IDs (for example, A-1 to A-6, B-1 to B-6, and C) are assigned to each virtual area.
  • -1 to C-6, D-1 to D-6, E-1 to E-6, and nine wireless access devices are arranged in an arbitrary virtual area (first The wireless access device to the ninth wireless access device) will be described as an example of a method for identifying the location of the terminal according to the signal strength of the wireless access device.
  • the first reference value is set to -80 dBm
  • the second reference value is -60 dBm
  • the third reference value is -10 dBm
  • FIG. 4 is a view for explaining a first embodiment of a method for locating a terminal in a local area network of the present invention.
  • the signal strength of the first wireless access device 410 searched by the terminal 1 is -75 dBm
  • the signal strength of the second wireless access device 420 is -58 dBm
  • the signal strength of the third wireless access device 430 is -78 dBm
  • the radio connection device 450 signal strength is -76dBm.
  • the signal strength of other radio access equipment is less than -80dBm, which is the first reference value.
  • the terminal 1 can confirm that the terminal 1 is located at A-3.
  • the terminal 1 confirms the location by confirming the virtual area ID which the MAC address has already registered and confirmed from the database, or the virtual area ID confirmed from the received SSID.
  • FIG. 5 is a view for explaining a second embodiment of a method for locating a terminal in a local area network of the present invention.
  • the signal strength of the first wireless access device 410 searched by the terminal 1 is -63 dBm
  • the signal strength of the second wireless access device 420 is -71 dBm
  • the signal strength of the fourth wireless access device 440 is -77 dBm
  • the radio connection device 450 signal strength is -78dBm.
  • the signal strength of other radio access equipment is less than -80dBm, which is the first reference value.
  • the terminal 1 Since the signal strength of the first wireless access device 410 of the first signal strength is -63 dBm and less than -60 dBm of the second reference value, the terminal 1 is connected to the first wireless access device 410 of the first signal strength wireless access device.
  • the second wireless access device 420 which is the second signal strength wireless access device, is checked.
  • the terminal 1 checks -8 dBm by calculating the difference between the 2nd signal strength and the 1st signal strength, and since -8 dBm is greater than or equal to -10 dBm as a third reference value, A-2 between A-1 and A-3. Check the position of the terminal (1).
  • the terminal 1 confirms the location by confirming the virtual area ID which the MAC address has already registered and confirmed from the database, or the virtual area ID confirmed from the received SSID.
  • FIG. 6 is a view for explaining a third embodiment of a method for locating a terminal in a local area network of the present invention.
  • the user is located in A-6 with the terminal 1. That is, the terminal 1 is located at A-6.
  • the signal strength of the second wireless access device 420 searched by the terminal 1 is -78 dBm
  • the signal strength of the third wireless access device 430 is -63 dBm
  • the signal strength of the sixth wireless access device 460 is -79 dBm.
  • the signal strength of other radio access equipment is less than -80dBm, which is the first reference value.
  • the terminal 1 Since the signal strength of the first wireless access device 430 of the first signal strength is -63 dBm and less than -60 dBm of the second reference value, the terminal 1 is connected to the third wireless access device 430 of the first signal strength wireless access device.
  • the second wireless access device 420 which is the second signal strength wireless access device, is checked.
  • the terminal 1 checks -15 dBm by calculating the difference between the 2nd signal strength and the 1st signal strength, and since -15 dBm is less than -10 dBm as the third reference value, the second wireless access device that is the 2nd signal strength wireless access device. It is confirmed that the terminal 1 is located on the opposite side to the virtual region A-3 where the 420 is disposed and is located in the external virtual region A-6 of A-5. Here, the terminal 1 confirms the location by confirming the virtual area ID which the MAC address has already registered and confirmed from the database, or the virtual area ID confirmed from the received SSID.
  • the method according to the embodiments of the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded on a computer readable recording medium.
  • the computer readable recording medium may include program instructions, data files, data structures, etc. alone or in combination.
  • Programs (program instructions) recorded on the recording medium may be those specially designed and configured for the present invention, or may be known and available to those skilled in computer software.
  • Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tape, optical media such as CDROMs and DVDs, and magnetic-optical such as floppy disks.
  • Hardware devices specifically configured to store and execute program instructions, such as magneto-optical media, ROM, RAM, flash memory, and the like, are included.
  • Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
  • the hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un dispositif permettant de confirmer une localisation dans un réseau de communication en champ proche. Le procédé permettant de confirmer une localisation dans un réseau de communication en champ proche, selon un mode de réalisation de la présente invention, est un procédé selon lequel un terminal comprenant un module de confirmation de localisation confirme une localisation dans un réseau de communication en champ proche, comportant les étapes consistant à : acquérir une adresse MAC, un identifiant SSID et une intensité de signal en provenance d'au moins un dispositif d'accès sans fil en recherchant des sigaux sans fil en champ proche ; confirmer une ID d'une zone virtuelle dans laquelle le dispositif d'accès sans fil est disposé quand l'intensité de signal du dispositif d'accès sans fil est une première valeur de référence ou plus et l'adresse MAC address du dispositif d'accès sans fil est préenregsitrée ; confirmer un bâtiment/étage en utilisant l'ID de zone virtuelle ; confirmer un dispositif d'accès sans fil ayant l'intensité de signal la plus élevée et un dispositif d'accès sans fil ayant la deuxième intensité de signal la plus élevée en provenance des dispositifs d'accès sans fil disposés dans le bâtiment/l'étage ; confirmer, comme localisation du terminal, une zone virtuelle dans laquelle le dispositif d'accès sans fil ayant l'intensité de signal la plus élevée est disposé quand l'intensité de signal la plus élevée est une deuxième valeur de référence ou plus.
PCT/KR2013/010790 2013-07-09 2013-11-26 Procédé et dispositif permettant de confirmer une localisation dans un réseau de communication en champ proche WO2015005542A1 (fr)

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KR10-2013-0080045 2013-07-09
KR1020130080045A KR101302725B1 (ko) 2013-07-09 2013-07-09 근거리 통신망에서 위치확인 방법 및 장치

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KR102196937B1 (ko) * 2013-10-30 2020-12-31 삼성전자주식회사 건물 내 사용자의 위치 추정방법 및 그 장치
CN111294414A (zh) * 2018-12-06 2020-06-16 西安光启未来技术研究院 一种报文的处理方法、装置以及系统
CN112399331B (zh) * 2020-07-09 2022-11-11 上汽通用五菱汽车股份有限公司 一种汽车蓝牙钥匙定位方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111372181A (zh) * 2018-12-06 2020-07-03 中国移动通信集团陕西有限公司 一种基于蓝牙的室内定位方法、装置及存储介质
US11553340B2 (en) 2020-03-09 2023-01-10 Carrier Corporation Network identifier and authentication information generation for building automation system controllers

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